The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7112377 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 26, 2006

Filed:

Jan. 26, 2005
Applicants:

Ken-ichi Itoh, Kawasaki, JP;

Tsugio Kumai, Kawasaki, JP;

Shintaro Sato, Kawasaki, JP;

Inventors:

Ken-ichi Itoh, Kawasaki, JP;

Tsugio Kumai, Kawasaki, JP;

Shintaro Sato, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01); G11B 5/71 (2006.01);
U.S. Cl.
CPC ...
Abstract

A magnetic recording medium is disclosed that includes a substrate; an anodic alumina film formed on the substrate; a pore formed in the anodic alumina film; a carbon layer covering the surface of the anodic alumina film and the inner wall of the pore; a magnetic particle formed on the carbon layer inside the pore; and a lubrication layer covering the carbon layer and the magnetic particle.


Find Patent Forward Citations

Itoh, Ken-ichi. (2006). Magnetic recording medium, method of manufacturing the same, magnetic medium substrate employed in the magnetic recording medium, and magnetic storage unit (U.S. Patent No. 7112377). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7112377

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